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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Utils do
   6   def compile_dir(dir) when is_binary(dir) do
   7     dir
   8     |> File.ls!()
   9     |> Enum.map(&Path.join(dir, &1))
  10     |> Kernel.ParallelCompiler.compile()
  11   end
  12
  13   @doc """
  14   POSIX-compliant check if command is available in the system
  15
  16   ## Examples
  17       iex> command_available?("git")
  18       true
  19       iex> command_available?("wrongcmd")
  20       false
  21
  22   """
  23   @spec command_available?(String.t()) :: boolean()
  24   def command_available?(command) do
  25     match?({_output, 0}, System.cmd("sh", ["-c", "command -v #{command}"]))
  26   end
  27 end